In February, football’s lawmakers approved the analysis of a player’s performance during live matches, via a tracking device in the shirt. So what impact will this have on a player’s health, game management – and the half-time team talk?

Germany has always produced great keepers but the current crop is exceptional. Manuel Neuer is a world champion, their Under-21 keeper has just won the Champions League with Barcelona and 14 Bundesliga clubs have native No1s